Ultrasonic transducer for a fish finder



FIG. 1 is a top side perspective view of the ultrasonic transducer for a fish finder showing my new design;

FIG. 2 is a left side view, with right, front and back sides all the same due to the rotational symmetry of the ultrasonic transducer;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a bottom side perspective view thereof; and,

FIG. 6 is a cross-sectional view taking along the line 6-6 of FIG. 2. 

CLAIM The ornamental design for an ultrasonic transducer for a fish finder, as shown. 